Hi,
	140Mhz is kind of towards the higher end if I'm not wrong (the
chip gets quite warm to the touch with use!).
	I might be wrong however.

------------------------------------------------------------------------
Daniel Chia

"Genius is one percent inspiration and ninety-nine percent
perspiration."

     - Thomas Edison

E-mail: danielcjh@yahoo.com.sg
MSN: danstryder01@yahoo.com.sg
ICQ: 37878331
------------------------------------------------------------------------


> -----Original Message-----
> From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On
Behalf Of
> Chen Xiao Fan
> Sent: 01 July 2005 11:35
> To: Microcontroller discussion list - Public. (E-mail)
> Subject: [PIC] dsPIC current consumption at 30MIPS
> 
> I have never used a fast MCU before except and I always
> think that PIC consume very less current, at most 10s of
> mAs. I have also never clock my PIC at higher than 20MHz
> (only on the self-made Wisp628) before.
> 
> Today I was testing another PIClister's code on a
> dsPIC30F4011 at about 30MIPS (actually 32MIPS, a bit
> out of specification). Anyway I was shocked by the
> current consumption --> a whopping 140mA without any
> connected peripherals. That is a lot! I thought it
> was something wrong. Then I read the manual and found
> out it is actually correct since the typical value is
> 132mA for 5V/30MIPS EC/16XPLL mode operation.
> 
> So the fast MIPS does bring very high current consumptions.
> 
> How about the current consumption of other popular MCUs
> with more than 25MIPS? I checked Silabs C8051F064
> and it is 20mA at 25MHz (~25MIPS) and 3V.
> I am not so familiar with those higher end MCUs.
> 
> 
> ------------------------------------------
> Xiaofan Chen
> R&D Engineer, Photoelectric Sensor Development
> Pepperl+Fuchs Singapore
> http://www.pepperl-fuchs.com
> Signals for the world of automation
> ------------------------------------------
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